16855704337 has 2 divisors, whose sum is σ = 16855704338. Its totient is φ = 16855704336.

The previous prime is 16855704269. The next prime is 16855704343. The reversal of 16855704337 is 73340755861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16347156736 + 508547601 = 127856^2 + 22551^2 .

It is a cyclic number.

It is not a de Polignac number, because 16855704337 - 2³¹ = 14708220689 is a prime.

It is a super-2 number, since 2×16855704337² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16855704637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8427852168 + 8427852169.

It is an arithmetic number, because the mean of its divisors is an integer number (8427852169).

Almost surely, 2^16855704337 is an apocalyptic number.

It is an amenable number.

16855704337 is a deficient number, since it is larger than the sum of its proper divisors (1).

16855704337 is an equidigital number, since it uses as much as digits as its factorization.

16855704337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 16855704337 in words is "sixteen billion, eight hundred fifty-five million, seven hundred four thousand, three hundred thirty-seven".